CVE-2021-34121

{"id": "CVE-2021-34121", "cveTags": [], "metrics": {"cvssMetricV31": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 7.8, "attackVector": "LOCAL", "baseSeverity": "HIGH", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H", "integrityImpact": "HIGH", "userInteraction": "REQUIRED", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "NONE", "confidentialityImpact": "HIGH"}, "impactScore": 5.9, "exploitabilityScore": 1.8}]}, "published": "2023-07-18T14:15:11.780", "references": [{"url": "https://github.com/michaelrsweet/htmldoc/commit/c67bbd8756f015e33e4ba639a40c7f9d8bd9e8ab", "tags": ["Patch"], "source": "cve@mitre.org"}, {"url": "https://github.com/michaelrsweet/htmldoc/issues/433", "tags": ["Exploit", "Issue Tracking"], "source": "cve@mitre.org"}], "vulnStatus": "Analyzed", "weaknesses": [{"type": "Primary", "source": "nvd@nist.gov", "description": [{"lang": "en", "value": "CWE-125"}]}], "descriptions": [{"lang": "en", "value": "An Out of Bounds flaw was discovered in htmodoc 1.9.12 in function parse_tree() in toc.cxx, this possibly leads to memory layout information leaking in the data. This might be used in a chain of vulnerability in order to reach code execution."}], "lastModified": "2023-07-27T15:19:31.567", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:htmldoc_project:htmldoc:1.9.12:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "645554AD-DA7C-4B11-864A-89F423B08291"}], "operator": "OR"}]}], "sourceIdentifier": "cve@mitre.org"}